Intriguingly, trace levels of the sedative clobazam—a drug prescribed for anxiety and sleep disorders—were found to speed up the migration of juvenile Atlantic salmon in Sweden’s River Dal.

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Wild salmon are swimming quicker due to painkillers and other drugs dumped in rivers and the sea, reveals new research. Traces of a sleeping pill shortened the time it took for juvenile salmon to ...

The team used slow-release drug implants and tracking transmitters to see how clobazam and another common pharmaceutical pollutant – the opioid tramadol – affected juvenile Atlantic salmon ...

When the drug clobazam accumulates in Atlantic salmon's brains, migrating juvenile fish reach the ocean sooner, a new study found. A juvenile salmon is shown in May 2019. Jörgen Wiklund.

The team implanted slow-release drugs in 279 hatchery-raised, juvenile Atlantic salmon. The implants released controlled amounts of two drugs, in varying combinations: clobazam, ...

Pharmaceutical pollution influences river-to-sea migration in Atlantic salmon ( Salmo salar ). Science , 2025; 388 (6743): 217 DOI: 10.1126/science.adp7174 Cite This Page : ...

When the drug clobazam accumulates in Atlantic salmon's brains, migrating juvenile fish reach the ocean sooner, a new study found. A juvenile salmon is shown in May 2019.

The team implanted slow-release drugs in 279 hatchery-raised, juvenile Atlantic salmon. The implants released controlled amounts of two drugs, in varying combinations: clobazam, ...